There is definitely a hardware issue, possibly a dry joint as wiggling the HDMI cable briefly gets a picture. Tried two different cables, and two different monitors, also installed Window's to be absolutely sure.
I've contacted the seller on AliExpress, lets see how good their support is.
The display port, and the bottom HDMI port both work, just the top one doesn't, given what I'm going to use it for I'd settle for a decent discount, but lets see what they suggest.